Surf Forecasts:
Kohala Lighthouse surf forecast from 1 Aug 2026:
- Most powerful swell: Saturday 1 Aug, 5PM (local time) - 7ft (2.2m), 8s period, ENE swell with 694 kJ wave energy.
Best Forecast Surf Conditions for Kohala Lighthouse this week:
The most powerful waves expected at Kohala Lighthouse in the next 16 days are 2.2m 8s and forecast to arrive on Saturday (Aug 01) at 5PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 5s period and expected on Wednesday (Aug 05) at 5AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 5PM (Sat 1st Aug) | 7ft (2.2m) 8s |
Table - best surf conditions forecast for Kohala Lighthouse over the next 16 days.
The Lowdown
G’day, I’m Rusty, and I’ve been looking over the numbers for Kohala Lighthouse (Big Island). Let me be blunt: it’s a rough 16 days. For a consistent, exposed reef that takes on advanced crew, we’ve got ENE swell showing up from Friday the 31st of July right through to Saturday the 15th of August, but the wind is brutal. It’s cross-shore the whole time, mostly fresh breezes, and the lineup looks lumpy and chopped. There’s no standout, no session with light or offshore wind. The combined swell energy stays moderate to strong—numbers like 822 up to 958 early on, then dropping into the 400s to 600s—so there’s some push, but it’s wasted. Swell heights run from 1.5m to 2.3m, with a short period (6 to 8 seconds) for most of it, meaning it’s messy, wind-driven stuff. For a beach-and-reef setup, with that strong cross-shore and cross-chop, this is more of a kite day than a paddle day. The water temp is around 27°C, which is about average for the time of year—nothing special. Bottom line: there’s no good surf to recommend. The whole window is a washout, and when the trades blow like this, a blank run is just how it goes around here. Save your energy.
Rusty.
Short Range ForecastSome drizzle, heaviest during Sun night. Warm (max 26°C on Fri afternoon, min 24°C on Fri night). Winds decreasing (strong winds from the ENE on Fri night, moderate winds from the E by Sun night). | Days 5-7 Weather SummaryMostly dry. Warm (max 26°C on Mon afternoon, min 25°C on Mon night). Mainly fresh winds. | |||||||||||||||||||
Fri 31 | Saturday 1 | Sunday 2 | Monday 3 | Tuesday 4 | Wednesday 5 | Thursday 6 | ||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 11 | ENE 11 | ENE 10 | ENE 10 | ENE 9 | ENE 6 | ENE 8 | ENE 6 | ENE 6 | ENE 7 |
Wave Graph  | ||||||||||||||||||||
 kJ | 534 | 521 | 660 | 694 | 550 | 537 | 560 | 390 | 360 | 309 | 650 | 531 | 610 | 461 | 351 | 179 | 229 | 214 | 227 | 219 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 4:33PM0.84m | 4:36AM0.51m | 4:55PM0.79m | 5:24AM0.54m | 5:16PM0.73m | 6:20AM0.57m | 5:35PM0.66m | 7:30AM0.60m | 5:51PM0.58m | 9:02AM0.64m | 5:47PM0.51m | 10:41AM0.71m | ||||||||
Low Tide | 11:16PM0.21m | 10:10AM0.18m | 11:38PM0.19m | 10:50AM0.26m | 00:03AM0.17m | 11:38AM0.34m | 00:32AM0.16m | 12:46PM0.43m | 1:08AM0.14m | 3:08PM0.49m | 1:59AM0.14m | 3:09AM0.12m | ||||||||
 |  | | |  | | |  | | | | |  | | | | | | | | |
 | — | — | 5:58 | — | — | 5:58 | — | — | 5:58 | — | — | 5:58 | — | — | 5:58 | — | — | 6:00 | — | — |
 | 7:00 | — | — | 7:00 | — | — | 7:00 | — | — | 6:59 | — | — | 6:59 | — | — | 6:58 | — | — | 6:58 | — |
mm | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 25 | 25 | 26 | 25 | 26 | 26 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 |
Feels °C | 22 | 21 | 21 | 23 | 22 | 24 | 24 | 23 | 25 | 25 | 26 | 27 | 26 | 26 | 26 | 25 | 26 | 25 | 24 | 24 |
Swell 1 Height (m) Direction Period (s) | E 15 | E 14 | E 14 | E 14 | E 14 | E 14 | E 13 | E 13 | E 12 | E 12 | ENE 11 | ENE 11 | W 11 | N 10 | NNE 9 | NNE 9 | NNE 8 | W 13 | W 13 | NE 11 |
| kJ | 275 | 260 | 242 | 261 | 250 | 198 | 130 | 125 | 148 | 180 | 650 | 531 | 10 | 8 | 16 | 8 | 7 | 13 | 12 | 18 |
Swell 2 Height (m) Direction Period (s) | N 9 | N 8 | N 8 | SSW 14 | N 10 | N 10 | N 9 | N 9 | N 8 | N 8 | W 12 | W 11 | N 10 | W 13 | W 12 | W 12 | W 12 | SW 14 | SW 14 | W 12 |
| kJ | 13 | 12 | 5 | 18 | 8 | 16 | 15 | 13 | 12 | 5 | 11 | 9 | 2 | 12 | 12 | 11 | 12 | 8 | 8 | 11 |
Swell 3 Height (m) Direction Period (s) | SW 15 | SW 15 | SSW 14 | N 11 | SSW 14 | W 13 | W 13 | W 12 | W 11 | W 11 | N 7 | N 7 | W 13 | SW 15 | SW 15 | SW 15 | SW 15 | N 8 | N 8 | SW 14 |
| kJ | 37 | 34 | 19 | 3 | 18 | 14 | 13 | 11 | 10 | 10 | 4 | 4 | 4 | 9 | 9 | 9 | 8 | 1 | 1 | 8 |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | — | E 4 | ENE 10 | ENE 10 | ENE 9 | ENE 6 | ENE 8 | ENE 6 | ENE 6 | ENE 7 |
| kJ | 534 | 521 | 660 | 694 | 550 | 537 | 560 | 390 | 360 | 309 | — | 10 | 610 | 461 | 351 | 179 | 229 | 214 | 227 | 219 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 57 | 36 | 76 | 69 | 57 | 73 | 102 | 57 | 71 | 73 | 69 | 71 | 71 | 69 | 71 | 91 | 73 | 73 | 73 | 73 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||
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Information about the Kohala Lighthouse Surf forecast
The above surf forecast table for Kohala Lighthouse provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Kohala Lighthouse can be found by selecting the local surf guide option on the grey menu. Our Kohala Lighthouse surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Kohala Lighthouse) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Kohala Lighthouse may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Kohala Lighthouse is 87 km (54 miles) from Kihei. If you plan a vacation in Big Island, look for hotels and other accommodation in Kihei. Kihei has rooms for a wide range of budgets as well as car hire and transport links.
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